The fact family model represents 6 + 5 = 11.

A triangle. 11 is in the top corner. 6 is in the bottom left corner. 5 is in the bottom right corner.
How does 11 compare to 6?

11 less than 5 is 6.
11 more than 5 is 6.
6 is 5 less than 11.
6 is 5 more than 11.